Measurement of the top quark Yukawa coupling from t t ¯ kinematic distributions in the dilepton final state in proton-proton collisions at √ s = 13 TeV
Name
PhysRevD.102.092013.pdf
Description
Published version
Size
1.05 MB
Format
Adobe PDF
Checksum (MD5)
063071140fbf20c3f52cb89d4d48117e
Author(s)
Harris, Philip
Date Issued
2020
Journal
Physical Review D
Publisher
American Physical Society (APS)
Citation
Harris, Philip. 2020. "Measurement of the top quark Yukawa coupling from t t ¯ kinematic distributions in the dilepton final state in proton-proton collisions at √ s = 13 TeV." Physical Review D, 102 (9).
Version
Final published version
Abstract
© 2020 CERN. A measurement of the Higgs boson Yukawa coupling to the top quark is presented using proton-proton collision data at s=13 TeV, corresponding to an integrated luminosity of 137 fb-1, recorded with the CMS detector. The coupling strength with respect to the standard model value, Yt, is determined from kinematic distributions in tt¯ final states containing ee, μμ, or eμ pairs. Variations of the Yukawa coupling strength lead to modified distributions for tt¯ production. In particular, the distributions of the mass of the tt¯ system and the rapidity difference of the top quark and antiquark are sensitive to the value of Yt. The measurement yields a best fit value of Yt=1.16-0.35+0.24, bounding Yt<1.54 at a 95% confidence level.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Terms of Use
Creative Commons Attribution 4.0 International license
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1103/PHYSREVD.102.092013
